Update astroid to 2.4.1

[pyup-bot]

This PR updates astroid from 2.3.3 to 2.4.1.

Changelog

2.4.1

============================
Release Date: 2020-05-05

* Handle the case where the raw builder fails to retrieve the ``__all__`` attribute

Close 772

* Restructure the AST parsing heuristic to always pick the same module

Close PyCQA/pylint3540
Close 773

* Changed setup.py to work with [distlib](https://pypi.org/project/distlib)

Close 779

* Do not crash with SyntaxError when parsing namedtuples with invalid label

Close PyCQA/pylint3549

* Protect against ``infer_call_result`` failing with `InferenceError` in `Super.getattr()`

Close PyCQA/pylint3529

2.4.0

============================
Release Date: 2020-04-27

* Expose a ast_from_string method in AstroidManager, which will accept
source code as a string and return the corresponding astroid object

Closes PyCQA/astroid725

* ``BoundMethod.implicit_parameters`` returns a proper value for ``__new__``

Close PyCQA/pylint2335

* Allow slots added dynamically to a class to still be inferred

Close PyCQA/pylint2334

* Allow `FunctionDef.getattr` to look into both instance attrs and special attributes

Close PyCQA/pylint1078

* Infer qualified ``classmethod`` as a classmethod.

Close PyCQA/pylint3417

* Prevent a recursion error to happen when inferring the declared metaclass of a class

Close 749

* Raise ``AttributeInferenceError`` when ``getattr()`` receives an empty name

Close PyCQA/pylint2991

* Prevent a recursion error for self reference variables and `type()` calls.

Close 199

* Do not infer the first argument of a staticmethod in a metaclass as the class itself

Close PyCQA/pylint3032

* ``NodeNG.bool_value()`` gained an optional ``context`` parameter

We need to pass an inference context downstream when inferring the boolean
value of a node in order to prevent recursion errors and double inference.

This fix prevents a recursion error with dask library.

Close PyCQA/pylint2985

* Pass a context argument to ``astroid.Arguments`` to prevent recursion errors

Close PyCQA/pylint3414

* Better inference of class and static methods decorated with custom methods

Close PyCQA/pylint3209

* Reverse the order of decorators for `infer_subscript`

`path_wrapper` needs to come first, followed by `raise_if_nothing_inferred`,
otherwise we won't handle `StopIteration` correctly.

Close 762

* Prevent a recursion error when inferring self-referential variables without definition

Close PyCQA/pylint1285

* Numpy `datetime64.astype` return value is inferred as a `ndarray`.

Close PyCQA/pylint3332

* Skip non ``Assign`` and ``AnnAssign`` nodes from enum reinterpretation

Closes PyCQA/pylint3365

* Numpy ``ndarray`` attributes ``imag`` and ``real`` are now inferred as ``ndarray``.

Close PyCQA/pylint3322

* Added a call to ``register_transform`` for all functions of the ``brain_numpy_core_multiarray``
module in case the current node is an instance of ``astroid.Name``

Close 666

* Use the parent of the node when inferring aug assign nodes instead of the statement

Close PyCQA/pylint2911
Close PyCQA/pylint3214

* Added some functions to the ``brain_numpy_core_umath`` module

Close PyCQA/pylint3319

* Added some functions of the ``numpy.core.multiarray`` module

Close PyCQA/pylint3208

* All the ``numpy ufunc`` functions derived now from a common class that
implements the specific ``reduce``, ``accumulate``, ``reduceat``,
 ``outer`` and ``at`` methods.

Close PyCQA/pylint2885

* ``nodes.Const.itered`` returns a list of ``Const`` nodes, not strings

Close PyCQA/pylint3306

* The ``shape`` attribute of a ``numpy ndarray`` is now a ``ndarray``

Close PyCQA/pylint3139

* Don't ignore special methods when inspecting gi classes

Close 728

* Added transform for ``scipy.gaussian``

* Add suport for inferring properties.

* Added a brain for ``responses``

* Allow inferring positional only arguments.

* Retry parsing a module that has invalid type comments

It is possible for a module to use comments that might be interpreted
as type comments by the `ast` library. We do not want to completely crash on those
invalid type comments.

Close 708

* Scope the inference to the current bound node when inferring instances of classes

When inferring instances of classes from arguments, such as ``self``
in a bound method, we could use as a hint the context's ``boundnode``,
which indicates the instance from which the inference originated.
As an example, a subclass that uses a parent's method which returns
``self``, will override the ``self`` to point to it instead of pointing
to the parent class.

Close PyCQA/pylint3157

* Add support for inferring exception instances in all contexts

We were able to infer exception instances as ``ExceptionInstance``
only for a handful of cases, but not all. ``ExceptionInstance`` has
support for better inference of `.args` and other exception related
attributes that normal instances do not have.
This additional support should remove certain false positives related
to ``.args`` and other exception attributes in ``pylint``.

Close PyCQA/pylint2333

* Add more supported parameters to ``subprocess.check_output``

Close 722

* Infer args unpacking of ``self``

Certain stdlib modules use ``*args`` to encapsulate
the ``self`` parameter, which results in uninferable
instances given we rely on the presence of the ``self``
argument to figure out the instance where we should be
setting attributes.

Close PyCQA/pylint3216

* Clean up setup.py

Make pytest-runner a requirement only if running tests, similar to what was
done with McCabe.

Clean up the setup.py file, resolving a handful of minor warnings with it.

* Handle StopIteration error in infer_int.

Close PyCQA/pylint3274

* Can access per argument type comments for positional only and keyword only arguments.

The comments are accessed through through the new
``Arguments.type_comment_posonlyargs`` and
``Arguments.type_comment_kwonlyargs`` attributes respectively.

* Relax upper bound on `wrapt`

Close 755

* Properly analyze CFFI compiled extensions.

Links

• PyPI: https://pypi.org/project/astroid
• Changelog: https://pyup.io/changelogs/astroid/
• Repo: https://github.com/PyCQA/astroid

[codecov]

Codecov Report

Merging #137 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #137   +/-   ##
=======================================
  Coverage   26.07%   26.07%           
=======================================
  Files          15       15           
  Lines        4430     4430           
=======================================
  Hits         1155     1155           
  Misses       3275     3275           

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